scsi: storvsc: Use scsi_cmd_to_rq() instead of scsi_cmnd.request

Prepare for removal of the request pointer by using scsi_cmd_to_rq()
instead. This patch does not change any functionality.

Link: https://lore.kernel.org/r/20210809230355.8186-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 328bb96..e2278b0 100644 (file)
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -710,7 +710,7 @@ static u64 storvsc_next_request_id(struct vmbus_channel *channel, u64 rqst_addr)
         * Cannot return an ID of 0, which is reserved for an unsolicited
         * message from Hyper-V.
         */
-       return (u64)blk_mq_unique_tag(request->cmd->request) + 1;
+       return (u64)blk_mq_unique_tag(scsi_cmd_to_rq(request->cmd)) + 1;
 }
 
 static void handle_sc_creation(struct vmbus_channel *new_sc)
@@ -1202,7 +1202,7 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device,
            vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS)
                storvsc_log(device, STORVSC_LOGGING_ERROR,
                        "tag#%d cmd 0x%x status: scsi 0x%x srb 0x%x hv 0x%x\n",
-                       request->cmd->request->tag,
+                       scsi_cmd_to_rq(request->cmd)->tag,
                        stor_pkt->vm_srb.cdb[0],
                        vstor_packet->vm_srb.scsi_status,
                        vstor_packet->vm_srb.srb_status,